Home / 20,155.02-30,232.59-7,007.52

Finding the Fourth Proportional to 20,155.02, 30,232.59 and 7,007.52

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Solution

The fourth proportional to 20,155.02, 30,232.59 and 7,007.52 is: 10,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155.02 : 30,232.59 = 7,007.52 : x
  2. Step 2: Convert to fraction form
    20,155.02/30,232.59 = 7,007.52/x
  3. Step 3: Cross multiply
    20,155.02x = 30,232.59 × 7,007.52
  4. Step 4: Simplify right side
    20,155.02x = 211,855,479.08
  5. Step 5: Solve for x
    x = 211,855,479.08/20,155.02
  6. Step 6: Final answer
    x = 10,511.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.